Annual report [Section 13 and 15(d), not S-K Item 405]

Income Taxes - Income before taxes, components of provision, and ETR reconciliation (Details)

v3.25.0.1
Income Taxes - Income before taxes, components of provision, and ETR reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2024
Dec. 31, 2023
Dec. 25, 2022
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]      
U.S. $ (77,641) $ (20,894) $ (77,976)
Foreign 10 (24) (160)
Loss before income taxes (77,631) (20,918) (78,136)
Current:      
Federal (37) 37 374
State (53) 273 373
Foreign 0 0 0
Total current income tax expense (benefit) (90) 310 747
Deferred:      
Federal 0 0 0
State 0 0 0
Foreign 0 0 0
Total deferred income tax expense (benefit) 0 0 0
Income tax expense (benefit), net $ (90) $ 310 $ 747
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Tax provision at U.S. federal statutory rate 21.00% 21.00% 21.00%
State income taxes 3.80% 4.20% 4.00%
Valuation allowance on deferred income tax assets (25.60%) (22.30%) (24.20%)
Excess stock options (0.80%) (3.30%) (1.10%)
Other 1.70% (1.10%) (0.70%)
Effective tax rate 0.10% (1.50%) (1.00%)